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Viltard,Nicolas

Nicolas Viltard
Membre du département space

Bureau: Guy-B1227
Tél : 0180285233

Publications au LATMOS depuis sa création (2009)

Pour les autres publications, veuillez vous reporter à la page personnelle

Articles dans des revues avec comité de lecture


2017


Evolution of the Distribution of Upper-Tropospheric Humidity over the Indian Ocean: Connection with Large-Scale Advection and Local Cloudiness
Garot T., Brogniez H., Fallourd R., Viltard N.
Journal of Applied Meteorology and Climatology, American Meteorological Society, 2017, 56 (7), pp.2035-2052. <10.1175/JAMC-D-16-0193.1> - insu-01527806

Precipitation Estimates from SMOS Sea Surface Salinity
Supply A., Boutin J., Vergely J.-L., Martin N., Hasson A., Reverdin G., Mallet C., Viltard N.
Quarterly Journal of the Royal Meteorological Society, Wiley, 2017, (in press). <10.1002/qj.3110> - insu-01563248

2016


Aircraft Observations of Dry Air, ITCZ, Convective Cloud Systems and Cold Pools in MJO During DYNAMO
Chen S. S., Kerns B. W., Guy N., Jorgensen D. P., Delanoë J., Viltard N., Zappa C., Judt F., Lee C.-Y., Savarin A.
Bulletin of the American Meteorological Society, American Meteorological Society, 2016, 97 (3), pp.405-423. 〈10.1175/BAMS-D-13-00196.1〉 - insu-01175728

2015


Ice microphysics retrieval in the convective systems of the Indian Ocean during the CINDY–DYNAMO campaign
Martini A., Viltard N., Ellis S. M., Fontaine E.
Atmospheric Research, Elsevier, 2015, 163, pp.13-23. <10.1016/j.atmosres.2014.12.013> - hal-01121234

The Megha-Tropiques mission: a review after three years in orbit
Roca R., Brogniez H., Chambon P., Chomette O., Cloché S., Gosset M. E., Mahfouf J.-F., Raberanto P., Viltard N.
Frontiers in Earth Science, Frontiers Media, 2015, 3, pp.17. <10.3389/feart.2015.00017> - insu-01146561

2014


Robust observational quantification of the contribution of mesoscale convective systems to rainfall in the tropics
Roca R., Aublanc J., Chambon P., Fiolleau T., Viltard N.
Journal of Climate, American Meteorological Society, 2014, 27, pp.4952-4958. <10.1175/JCLI-D-13-00628.1> - hal-00976400

2013


A new methodology for rain identification from passive microwave data in the Tropics using neural networks
Kacimi S., Viltard N., Kirstetter P.-E.
Quarterly Journal of the Royal Meteorological Society, Wiley, 2013, 139 (673), pp.912-922. <10.1002/qj.2114> - hal-00808161

An error model for instantaneous satellite rainfall estimates: evaluation of BRAIN-TMI over West Africa
Kirstetter P.-E., Viltard N., Gosset M.
Quarterly Journal of the Royal Meteorological Society, Wiley, 2013, 139 (673), pp.894-911. <10.1002/qj.1964> - hal-00834180

An investigation of the error budget of tropical rainfall accumulation derived from merged passive microwave and infrared satellite measurements
Chambon P., Jobard I., Roca R., Viltard N.
Quarterly Journal of the Royal Meteorological Society, Wiley, 2013, 139 (673), pp.879-893. <10.1002/qj.1907> - hal-00676835

2011


On the suitability of regional climate models for reconstructing climatologies
Tapiador F. J., Angelis C. F., Viltard N., Cuartero F., De Castro M.
Atmospheric Research, Elsevier, 2011, 101 (3), pp.739-751. <10.1016/j.atmosres.2011.05.001> - hal-00613890

2010


Polarimetric signatures and hydrometeor classification of West African squall lines
Evaristo R., Scialom G., Viltard N., Lemaître Y.
Quarterly Journal of the Royal Meteorological Society, Wiley, 2010, 136 (S1), pp.272-288. <10.1002/qj.561> - hal-00450805

Coastal observations of weather features in Senegal during the African Monsoon Multidisciplinary Analysis Special Observing Period 3
Jenkins G., Kucera P., Joseph E., Fuentes J., Gaye A., Gerlach J., Roux F., Viltard N., Papazzoni M., Protat A., Bouniol D. et al.
Journal of Geophysical Research: Atmospheres, American Geophysical Union, 2010, 115 (D18), pp.D18108. <10.1029/2009JD013022> - hal-00476466

Comparison of rainfall profiles in the West African monsoon as depicted by TRMM PR and LMDZ climate model
Diatta S., Hourdin F., Gaye A. T., Viltard N.
Monthly Weather Review, American Meteorological Society, 2010, 138 (5746), pp.1767-1777. <10.1175/2009MWR3092.1> - hal-00436995

2009


RONSARD Radar: Implementation of Dual Polarization on a C-Band Doppler Weather Radar
Scialom G., Faroux J., Giraud M., Ney R., Evaristo R., Lemaître Y., Viltard N.
IEEE Geoscience and Remote Sensing Letters, IEEE - Institute of Electrical and Electronics Engineers, 2009, 6 (1), pp.132-136. <10.1109/LGRS.2008.2008318> - hal-00352951

Communications avec actes


2013


Algorithm Validation in the Megha-Tropiques Framework: An Attempt to Improve the Microphysic Parameterization in a Radiative Transfer Model
Martini A., Viltard N.
1st Megha Tropiques Ground Validation Workshop on Rainfall Products Validation and Hydrological Applications in the Tropics, Sep 2013, Toulouse, France - hal-00870667

Upper Tropospheric humidity from Megha-Tropiques : A humidity-convection study
Viltard N., Brogniez H., Martini A.
2013 EUMETSAT Meteorological Satellite Conference 19th American Meteorological Society (AMS) Satellite Meteorology, Oceanography, and Climatology Conference: Understanding the past, observing the present and protecting the future, Vienna 2013, Sep 2013, Vienna, Austria - hal-01006230

2012


3D wind field retrieval from spaceborne Doppler radar
Lemaître Y., Viltard N.
Proceedings SPIE 8523, Remote Sensing of the Atmosphere, Clouds, and Precipitation IV, Oct 2012, Kyoto, Japan. SPIE, 8523, pp.85230Q, 2012, Proceedings of SPIE. <10.1117/12.976835> - hal-00785962

Comparison of tropical convective systems life cycle characteristics from geostationary and TRMM observations for the West African and South American regions
Fiolleau T., Roca R., Viltard N., Angelis F. C.
6th Workshop of the International Precipitation Working Group (IPWG6), Oct 2012, São José dos Campos, Brazil - hal-00796190

Characterization of the microphysics of ice in tropical convection for rain retrieval algorithms
Martini A., Viltard N., Gosset M. E., Cazenave P., Toledo Machado L. A.
6th Workshop of the International Precipitation Working Group (IPWG6), Oct 2012, São José dos Campos, Brazil - hal-00796283

The Megha-Tropiques rainfall products ground validation plan
Gosset M., Roca R., Viltard N., Alcoba M., Cazenave F.
6th Workshop of the International Precipitation Working Group (IPWG6), Oct 2012, São José dos Campos, Brazil - hal-00796277

Autres


2017


Precipitation estimates from L-Band Radiometer Sea Surface Salinity
Supply A., Boutin J., Vergely J.-L., Reverdin G., Hasson A., Viltard N., Mallet C.
EGU General Assembly 2017, Apr 2017, Vienna, Austria. 19, pp.EGU2017-9068, Geophysical Research Abstracts - insu-01530392 - (Communications sans actes)

2016


What can we learn on rainfall from SMOS Sea Surface Salinity?
Supply A., Boutin J., Vergely J.-L., Hasson A., Mallet C., Reverdin G., Viltard N.
AGU Fall Meeting 2016, Dec 2016, San Francisco, United States - insu-01423813 - (Poster)

2015


Typhoon Bopha: Impact of an extreme tropical cyclone on the atmospheric water and energy cycle
Garot T., Brogniez H., Viltard N.
Our Common Future Under Climate Change, International Scientific Coference, Jul 2015, Paris, France. pp.P-1109-02, 2015 - insu-01183718 - (Poster)

Impact of tropical cyclones on the tropospheric water and energy cycle at synoptic scale : a case study
Garot T., Brogniez H., Viltard N.
EGU General Assembly 2015, Apr 2015, Vienna, Austria. 17, pp.id.6098, 2015 - insu-01183865 - (Communications sans actes)

Rain retrieval using the SAPHIR water vapor sounder on Megha-Tropiques.
Martini A., Viltard N., Sivira R.
6th Asia/Oceania Meteorological Satellite Users’ Conference, Nov 2015, Tokyo, Japan - hal-01248281 - (Poster)

Post-GPM rain retrieval and 3-D wind retrieval: the DYCECT mission.
Lemaître Y., Martini A., Viltard N., Arago Higueras N., Delanoë J., Le Gac C.
6th Asia/Oceania Meteorological Satellite Users’ Conference, Nov 2015, Tokyo, Japan - hal-01248278 - (Poster)

2014


Evolution temporelle de variables du bilan d'eau dans la convection tropicale à partir des données de Megha-Tropiques
Garot T., Viltard N., Brogniez H.
Colloque GDR Megha-Tropiques, Dec 2014, Bordeaux, France. 2014 - hal-01118082 - (Communications sans actes)

Impact of tropical mesoscale convective systems on upper tropospheric humidity : exploitation of Megha-Tropiques data
Garot T., Brogniez H., Viltard N.
The 2014 Eumetsat Meteorological Satellite Conference, Sep 2014, Geneva, Switzerland. 2014 - hal-01118334 - (Communications sans actes)

Use of MADRAS on Megha-Tropiques to study Hurricane Sandy and Typhoon Bophat Evolution
Viltard N., Martini A.
31st Conference on Hurricanes and Tropical Meteorology, Mar 2014, San Diego, United States. 2014, <https://ams.confex.com/ams/31Hurr/webprogram/31HURR14.html> - insu-01140502 - (Communications sans actes)

Characterization of the microphysics of ice in tropical convection
Martini A., Viltard N.
31st Conference on Hurricanes and Tropical Meteorology, Mar 2014, San Diego, United States. 2014, <https://ams.confex.com/ams/31Hurr/webprogram/31HURR14.html> - insu-01140497 - (Communications sans actes)

Etude d'évènements pluviométriques intenses à partir du satellite Megha-Tropiques
Garot T., Viltard N., Brogniez H.
3ème Journée Thématique du PNTS (Programme national de télédétection spatiale), Nov 2014, Paris, France. 2014 - hal-01117804 - (Poster)

2012


Megha-Tropiques mission status
Viltard N., Roca R., Brogniez H., Gosset M.
6th Workshop of the International Precipitation Working Group (IPWG6), Oct 2012, São José dos Campos, Brazil - hal-00796286 - (Communications sans actes)



Dernière mise à jour le 19/10/2017 à 03:28:17